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Finding the Fourth Proportional to 560,200.22, 773,141.66 and 318,519

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Solution

The fourth proportional to 560,200.22, 773,141.66 and 318,519 is: 439,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,200.22 : 773,141.66 = 318,519 : x
  2. Step 2: Convert to fraction form
    560,200.22/773,141.66 = 318,519/x
  3. Step 3: Cross multiply
    560,200.22x = 773,141.66 × 318,519
  4. Step 4: Simplify right side
    560,200.22x = 246,260,306,808.95
  5. Step 5: Solve for x
    x = 246,260,306,808.95/560,200.22
  6. Step 6: Final answer
    x = 439,593.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.